Three-phase input single-phase output ST31 10-20KVA

Product Features

1.Advanced DSP digital control technology

2. Active input power factor coorrection (PFC)

3.Frequency adaptive system

4. Ultra wide input voltage range

5.Output power factor is 0.9

6. Ultra wide input frequency range

7. Strong scalability

8.Green and environmental protection

Model		ST31 10KS	ST31 15KS	ST31 20KS
Rated Power		10kVA/9kW	15kVA/13.5kW	20kVA/18kW
Input	Voltage Range	207-475Vac 3P4W+G
	Working Frequency Range	40-70Hz (settable)
	Input Power Factor	≥0.95
Output	Rated Voltage and Accuracy	220Vac(1±1%) 1P2W+G
	Output Frequency	46-54Hz synchronize with mains power; 50Hz (Mains power between 40-46Hz and 54-60Hz ); 50Hz(Battery)
	Rated Current	45A	68A	91A
	Output Power Factor	0.9
	Output Harmonic Wave	≤3% (Full R load)
	Crest Factor		3:	1
	Output Overload	105%±5%＜Load≤125%±5%: Convert to bypass output and alarm after 1min; 125%±5%＜Load≤135%±5%: Convert to bypass output and alarm after 30s; Load＞135%±5%: Convert to bypass output and alarm after 300ms.
Conversion time between Mains Power and Battery		0ms
Efficiency		＞92%
Battery	Rated Voltage	192Vdc
	Quantity	16
	Charging Current	5.5A
Dimension (LxWxH) mm		533x260x501
Weight		23kg	32kg	33kg
Working Temperature		0℃-40℃
Working Humidity		20%-95% (non-condensing)
Noise		≤60dB